Sunspot AR3500 blasted a M9.8-class solar flare. NASA's Solar Dynamics Observatory captured footage of the flare in multiple ...

Don't forget to look up, skywatchers! Another round of auroras is heading our way, and for the third time this month. Here's ...

Solar flares and coronal mass ejections are not just more frequent, they’re growing stronger — prompting warnings about the ...

A strong solar storm headed to Earth could produce colorful aurora displays across more U.S. states than usual Tuesday night.

The Sun goes through an 11-year cycle of activity, going from the solar maximum, where it is covered in many sunspots and is ...